3u10

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Template:STRUCTURE 3u10

Contents

Tetramerization dynamics of the C-terminus underlies isoform-specific cAMP-gating in HCN channels

Template:ABSTRACT PUBMED 22006928

Function

[HCN2_HUMAN] Hyperpolarization-activated ion channel exhibiting weak selectivity for potassium over sodium ions. Contributes to the native pacemaker currents in heart (If) and in neurons (Ih). Can also transport ammonium in the distal nephron. Produces a large instantaneous current. Activated by cAMP. Modulated by intracellular chloride ions and pH; acidic pH shifts the activation to more negative voltages (By similarity).

About this Structure

3u10 is a 1 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

  • Lolicato M, Nardini M, Gazzarrini S, Moeller S, Bertinetti D, Herberg FW, Bolognesi M, Martin H, Fasolini M, Bertrand JA, Arrigoni C, Thiel G, Moroni A. Tetramerization dynamics of the C-terminal domain underlies isoform-specific cAMP-gating in Hyperpolarization-activated Cyclic Nucleotide gated channels. J Biol Chem. 2011 Oct 17. PMID:22006928 doi:10.1074/jbc.M111.297606

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